Patents by Inventor Stephen Andrew Cronauer

Stephen Andrew Cronauer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Argon production control through argon inventory manipulation
    Patent number: 6138474
    Abstract: In a process for the cryogenic separation of air and recovery of argon in a distillation system having at least one distillation column that produces a nitrogen-enriched stream, an oxygen enriched stream, and an argon-enriched stream, and at least one sidearm column which receives the argon-enriched stream from the distillation column, controlling argon recovery by manipulating the total amount of argon inventory within the system at a given time.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: October 31, 2000
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Oliver Jacob Smith, IV, Stephen Andrew Cronauer